If they want to be so insular to themselves then THEY need to build a wall around their community. In Montreal we have ultra religious Jews of assorted sects. I as a Jew do not fit in their community and they do not even talk to me if i go into one of their stores...but they know they live in a multi -ethnic city and they need to live amongst us all. They keep to themselves and they do not throw rocks.
Islamic State destroys part of Syria's Temple of Bel, monitoring group says (Reuters)
from the article: The Mea She'arim mob